:root {
  --bg: #151515;
  --bg-soft: #1f1f1e;
  --panel: #262421;
  --panel-strong: #332a24;
  --brick: #9a3f2f;
  --rust: #b15b2a;
  --wood: #8a5b36;
  --metal: #8b9293;
  --cement: #b2aaa0;
  --text: #f3ece3;
  --muted: #c8b7a3;
  --line: rgba(243, 236, 227, .14);
  --shadow: 0 24px 70px rgba(0, 0, 0, .36);
  --radius: 26px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 10%, rgba(177, 91, 42, .24), transparent 30%),
    radial-gradient(circle at 90% 0%, rgba(139, 146, 147, .18), transparent 28%),
    repeating-linear-gradient(90deg, rgba(255,255,255,.015) 0 1px, transparent 1px 9px),
    var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
  line-height: 1.75;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.08) 1px, transparent 1px);
  background-size: 5px 5px;
  opacity: .08;
  z-index: 0;
}

img, video { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

a:hover { color: #ffd09a; }

p { margin: 0 0 1rem; color: var(--muted); }

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 .9rem;
  letter-spacing: .02em;
  line-height: 1.18;
}

h1 { font-size: clamp(2.65rem, 7vw, 6.6rem); }
h2 { font-size: clamp(1.85rem, 4vw, 3.1rem); }
h3 { font-size: clamp(1.2rem, 2.6vw, 1.55rem); }

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.site-header,
main,
.site-footer {
  position: relative;
  z-index: 1;
}

.topbar {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: .55rem clamp(1rem, 4vw, 4.5rem);
  background: #0d0d0d;
  color: var(--cement);
  border-bottom: 1px solid var(--line);
  font-size: .92rem;
}

.main-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1rem clamp(1rem, 4vw, 4.5rem);
  background: rgba(21, 21, 21, .88);
  backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid var(--line);
}

.brand-logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.brand-logo img,
.footer-logo img {
  width: 74px;
  height: auto;
  filter: drop-shadow(0 8px 20px rgba(177, 91, 42, .25));
}

.nav-toggle {
  display: none;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--line);
  padding: .65rem .85rem;
  border-radius: 999px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-menu a {
  display: block;
  padding: .72rem .85rem;
  border-radius: 999px;
  color: var(--cement);
  font-weight: 700;
  white-space: nowrap;
}

.nav-menu a[aria-current="page"],
.nav-menu a:hover {
  background: linear-gradient(135deg, rgba(154,63,47,.55), rgba(139,146,147,.16));
  color: var(--text);
}

.search-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .7rem;
  padding: 1rem clamp(1rem, 4vw, 4.5rem) 1.15rem;
  background: linear-gradient(180deg, #1c1b1a, #141414);
  border-bottom: 1px solid var(--line);
}

.search-shell input,
.search-shell button {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .9rem 1rem;
  color: var(--text);
  background: rgba(255,255,255,.055);
}

.search-shell button,
.btn {
  cursor: pointer;
  font-weight: 900;
  letter-spacing: .04em;
}

.search-shell p {
  grid-column: 1 / -1;
  min-height: 1.2rem;
  margin: 0;
  font-size: .92rem;
}

.hero {
  min-height: min(800px, 86vh);
  display: grid;
  align-items: center;
  padding: clamp(3rem, 8vw, 7rem) clamp(1rem, 4vw, 4.5rem);
  background:
    linear-gradient(90deg, rgba(10,10,10,.86), rgba(10,10,10,.42) 55%, rgba(10,10,10,.78)),
    var(--hero-image, url('/assets/images/hero-loft.jpg')) center / cover no-repeat;
  border-bottom: 1px solid var(--line);
  position: relative;
  overflow: hidden;
}

.hero::after,
.section-rivets::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(178,170,160,.32) 2px, transparent 3px),
    linear-gradient(120deg, transparent 45%, rgba(255,255,255,.08), transparent 55%);
  background-size: 80px 80px, 180px 100%;
  opacity: .24;
  pointer-events: none;
}

.hero-content {
  max-width: 980px;
  position: relative;
  z-index: 2;
}

.eyebrow {
  color: #f0a264;
  font-weight: 900;
  letter-spacing: .18em;
  text-transform: uppercase;
  margin-bottom: .85rem;
}

.hero .lead {
  font-size: clamp(1.05rem, 2.1vw, 1.45rem);
  max-width: 770px;
  color: #ead7c2;
}

.button-row { display: flex; flex-wrap: wrap; gap: .9rem; margin-top: 1.7rem; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: .85rem 1.18rem;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.055);
  color: var(--text);
  box-shadow: 0 10px 30px rgba(0,0,0,.22);
}

.btn.primary {
  background: linear-gradient(135deg, var(--brick), var(--rust));
  border-color: rgba(255,208,154,.45);
}

.btn:hover { transform: translateY(-1px); color: var(--text); }

.section,
.page-hero,
.content-section {
  padding: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 4.5rem);
}

.section.alt,
.content-section.alt {
  background: linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.015));
  border-block: 1px solid var(--line);
}

.section-heading {
  max-width: 860px;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.2rem;
}

.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.four { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card,
.video-card,
.quote-card,
.faq-item,
.creator-card,
.metric-card,
.contact-card {
  background:
    linear-gradient(145deg, rgba(255,255,255,.07), rgba(255,255,255,.025)),
    var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  position: relative;
}

.card::before,
.video-card::before,
.quote-card::before,
.faq-item::before,
.creator-card::before,
.contact-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(120deg, rgba(255,255,255,.12), transparent 34%, rgba(177,91,42,.08));
  pointer-events: none;
}

.card-body,
.video-card-body,
.quote-card,
.faq-item,
.creator-card,
.metric-card,
.contact-card { padding: 1.35rem; }

.video-poster {
  position: relative;
  margin: 0;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: #111;
}

.mock-video,
.video-poster img { width: 100%; height: 100%; object-fit: cover; }

.video-poster::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(120deg, transparent 0 42%, rgba(255,255,255,.4) 48%, transparent 56% 100%),
    radial-gradient(circle at 18% 30%, rgba(177,91,42,.35), transparent 25%);
  transform: translateX(-130%);
  opacity: .58;
  pointer-events: none;
}

.video-poster::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(177,91,42,.5) 1px, transparent 1px);
  background-size: 7px 7px;
  mix-blend-mode: overlay;
  opacity: .12;
}

.video-card:hover .video-poster::before { animation: metal-sheen .95s ease forwards; }
.video-card:hover .video-poster::after { animation: rust-jitter .22s steps(2) infinite; }
.video-card:hover .play-button { opacity: 1; transform: translate(-50%, -50%) scale(1); }

@keyframes metal-sheen { to { transform: translateX(130%); } }
@keyframes rust-jitter { 0% { transform: translate(0,0); } 50% { transform: translate(1px,-1px); } 100% { transform: translate(-1px,1px); } }

.play-button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) scale(.88);
  width: 74px;
  height: 74px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.46);
  color: var(--text);
  background: rgba(13,13,13,.72);
  backdrop-filter: blur(12px);
  opacity: .76;
  font-weight: 900;
  z-index: 2;
}

.stats,
.tags,
.kpi-row {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1rem;
}

.stats span,
.tags span,
.kpi-row span,
.badge {
  display: inline-flex;
  padding: .33rem .6rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: #dec8ad;
  background: rgba(255,255,255,.05);
  font-size: .86rem;
}

.story-image,
.creator-image,
.gallery-image {
  aspect-ratio: 16 / 10;
  object-fit: cover;
  width: 100%;
}

.gallery-wall {
  columns: 3 240px;
  column-gap: 1rem;
}

.gallery-tile {
  display: inline-block;
  width: 100%;
  margin: 0 0 1rem;
  break-inside: avoid;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
}

.gallery-tile figcaption { padding: 1rem; color: var(--muted); }

.steps {
  counter-reset: step;
  display: grid;
  gap: 1rem;
}

.step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1.1rem;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: rgba(255,255,255,.04);
}

.step::before {
  counter-increment: step;
  content: counter(step);
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: var(--brick);
  font-weight: 900;
}

.faq-list { display: grid; gap: 1rem; }

.faq-item summary {
  cursor: pointer;
  font-weight: 900;
  color: var(--text);
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.partner-wall {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: .9rem;
}

.partner-logo {
  min-height: 94px;
  border: 1px dashed rgba(243,236,227,.22);
  border-radius: 22px;
  display: grid;
  place-items: center;
  background: rgba(255,255,255,.04);
  color: #d2b18e;
  font-weight: 900;
}

.cta-panel {
  margin: clamp(3rem, 7vw, 6rem) clamp(1rem, 4vw, 4.5rem);
  padding: clamp(1.5rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  background:
    linear-gradient(135deg, rgba(154,63,47,.5), rgba(38,36,33,.95)),
    url('/assets/images/story-warehouse.jpg') center / cover;
  border: 1px solid rgba(255,255,255,.17);
  border-radius: calc(var(--radius) + 12px);
  box-shadow: var(--shadow);
}

.page-hero {
  background:
    linear-gradient(90deg, rgba(13,13,13,.9), rgba(13,13,13,.62)),
    var(--page-image, url('/assets/images/story-warehouse.jpg')) center / cover no-repeat;
  border-bottom: 1px solid var(--line);
}

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin-bottom: 1.4rem;
  color: var(--cement);
}

.article-list { display: grid; gap: 1rem; }

.article-item {
  padding: 1.2rem;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.04);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}

.metric-card strong {
  display: block;
  color: #ffd09a;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 1.2rem;
}

.site-footer {
  padding: clamp(2.5rem, 6vw, 4rem) clamp(1rem, 4vw, 4.5rem) 1rem;
  background: #101010;
  border-top: 1px solid var(--line);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr .8fr .8fr;
  gap: 2rem;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: .55rem;
}

.qr {
  border-radius: 22px;
  border: 1px solid var(--line);
}

.copyright {
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  color: var(--cement);
}

@media (max-width: 980px) {
  .grid,
  .grid.four,
  .metric-grid,
  .partner-wall { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .footer-grid,
  .contact-grid,
  .cta-panel { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; }
}

@media (max-width: 760px) {
  .main-nav { align-items: flex-start; }
  .nav-toggle { display: inline-flex; }
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 1rem;
    right: 1rem;
    padding: .8rem;
    border: 1px solid var(--line);
    border-radius: 20px;
    background: rgba(18,18,18,.96);
    flex-direction: column;
    align-items: stretch;
  }
  .nav-menu.is-open { display: flex; }
  .search-shell { grid-template-columns: 1fr; }
  .grid,
  .grid.two,
  .grid.four,
  .metric-grid,
  .partner-wall { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  .button-row { flex-direction: column; align-items: stretch; }
  .btn { width: 100%; }
}
.faq-list.spaced { margin-top: 1.2rem; }
.page-hero.industry { --page-image: url('/assets/images/video-brick-studio.jpg'); }
.page-hero.loft { --page-image: url('/assets/images/video-loft-light.jpg'); }
.page-hero.creative { --page-image: url('/assets/images/creator-wall.jpg'); }
.page-hero.ai { --page-image: url('/assets/images/ai-filter.jpg'); }
.page-hero.creator { --page-image: url('/assets/images/story-warehouse.jpg'); }
.page-hero.contact { --page-image: url('/assets/images/contact-qr.jpg'); }
.page-hero.diary { --page-image: url('/assets/images/story-craftsman.jpg'); }
.page-hero.darkroom { --page-image: url('/assets/images/ai-filter.jpg'); }
.page-hero.metal { --page-image: url('/assets/images/video-metal-desk.jpg'); }